τέκμαρσις
From LSJ
ἀρκετὸν τῇ ἡμέρᾳ ἡ κακία αὐτῆς → sufficient unto the day is the evil thereof, each day has enough trouble of its own, there is no need to add to the troubles each day brings (Matthew 6:34)
English (LSJ)
εως, ἡ,
A judging from signs: esp. Medic., judging or determining from symptoms, Hp.Acut.2: generally, οὐ δικαίαν τέκμαρσιν ἔχει τὸ ἐκφοβῆσαι affords no just ground for inference so as to alarm us, Th.2.87; τὴν τ. ποιεῖσθαι ἔκ τινος, = τεκμαίρεσθαι, D.H.7.71; τ. ἔχειν to have its interpretation, of a dream, D.C.47.46. II skill in determining, insight, γυναικείᾳ τεκμάρσει D.H.1.78.